Hot carriers in graphene–fundamentals and applications

M Massicotte, G Soavi, A Principi, KJ Tielrooij - Nanoscale, 2021 - pubs.rsc.org
Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …

Emerging probing perspective of two-dimensional materials physics: terahertz emission spectroscopy

Y Wu, Y Wang, D Bao, X Deng, S Zhang… - Light: Science & …, 2024 - nature.com
Terahertz (THz) emission spectroscopy (TES) has emerged as a highly effective and
versatile technique for investigating the photoelectric properties of diverse materials and …

A four-band and polarization-independent BDS-based tunable absorber with high refractive index sensitivity

X Wu, Y Zheng, Y Luo, J Zhang, Z Yi, X Wu… - Physical Chemistry …, 2021 - pubs.rsc.org
A four-band terahertz tunable narrow-band perfect absorber based on a bulk Dirac semi-
metallic (BDS) metamaterial with a microstructure is designed. The three-layer structure of …

Terahertz Nonlinear Hall Rectifiers Based on Spin‐Polarized Topological Electronic States in 1T‐CoTe2

Z Hu, L Zhang, A Chakraborty, G D'Olimpio… - Advanced …, 2023 - Wiley Online Library
The zero‐magnetic‐field nonlinear Hall effect (NLHE) refers to the second‐order transverse
current induced by an applied alternating electric field; it indicates the topological properties …

High-harmonic generation in Weyl semimetal β-WP2 crystals

YY Lv, J Xu, S Han, C Zhang, Y Han, J Zhou… - Nature …, 2021 - nature.com
As a quantum material, Weyl semimetal has a series of electronic-band-structure features,
including Weyl points with left and right chirality and corresponding Berry curvature, which …

Grating-graphene metamaterial as a platform for terahertz nonlinear photonics

JC Deinert, D Alcaraz Iranzo, R Pérez, X Jia… - ACS …, 2020 - ACS Publications
Nonlinear optics is an increasingly important field for scientific and technological
applications, owing to its relevance and potential for optical and optoelectronic technologies …

A tunable room-temperature nonlinear Hall effect in elemental bismuth thin films

P Makushko, S Kovalev, Y Zabila, I Ilyakov… - Nature …, 2024 - nature.com
The nonlinear Hall effect with time-reversal symmetry is a second-order electronic transport
phenomenon—seen as a quadratic voltage transverse to an applied electric field—that …

Post-2000 nonlinear optical materials and measurements: data tables and best practices

N Vermeulen, D Espinosa, A Ball… - Journal of Physics …, 2023 - iopscience.iop.org
In its 60 years of existence, the field of nonlinear optics has gained momentum especially
over the past two decades thanks to major breakthroughs in material science and …

Milliwatt terahertz harmonic generation from topological insulator metamaterials

KJ Tielrooij, A Principi, DS Reig, A Block… - Light: Science & …, 2022 - nature.com
Achieving efficient, high-power harmonic generation in the terahertz spectral domain has
technological applications, for example, in sixth generation (6G) communication networks …

Angular Engineering Strategy for Enhanced Surface Nonlinear Frequency Conversion in Centrosymmetric Topological Semimetal HfGe0.92Te

Q Zhao, L Chen, F Liang, S Wang, G Wang… - Advanced …, 2024 - Wiley Online Library
Surface nonlinear optics are essential for developments in integrated photonics and
micro/nano optoelectronics. However, the nonlinear optical conversion efficiency on a …